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Which of the following can be used as a reset button?(a) NMI(b) internal interrupt(c) external interrupt(d) software interruptThis question was posed to me in class test.This interesting question is from Fast Interrupts topic in chapter Interrupts and Exceptions of Embedded Systems

Answer»

Correct option is (a) NMI

For explanation I would say: The non-maskable interrupt is USED to generate an interrupt to TRY and recover control and therefore, the NMI can be used as a RESET BUTTON.



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